smatch_tracker.c

   1 /*
   2  * sparse/smatch_tracker.c
   3  *
   4  * Copyright (C) 2009 Dan Carpenter.
   5  *
   6  * Licensed under the Open Software License version 1.1
   7  *
   8  */
   9
  10 #include "smatch.h"
  11
  12 ALLOCATOR(tracker, "trackers");
  13
  14 struct tracker *alloc_tracker(int owner, const char *name, struct symbol *sym)
  15 {
  16         struct tracker *tmp;
  17
  18         tmp = __alloc_tracker(0);
  19         tmp->name = alloc_string(name);
  20         tmp->owner = owner;
  21         tmp->sym = sym;
  22         return tmp;
  23 }
  24
  25 void add_tracker(struct tracker_list **list, int owner, const char *name,
  26                 struct symbol *sym)
  27 {
  28         struct tracker *tmp;
  29
  30         if (in_tracker_list(*list, owner, name, sym))
  31                 return;
  32         tmp = alloc_tracker(owner, name, sym);
  33         add_ptr_list(list, tmp);
  34 }
  35
  36 void del_tracker(struct tracker_list **list, int owner, const char *name,
  37                 struct symbol *sym)
  38 {
  39         struct tracker *tmp;
  40
  41         FOR_EACH_PTR(*list, tmp) {
  42                 if (tmp->owner == owner && tmp->sym == sym
  43                     && !strcmp(tmp->name, name)) {
  44                         DELETE_CURRENT_PTR(tmp);
  45                         __free_tracker(tmp);
  46                         return;
  47                 }
  48         } END_FOR_EACH_PTR(tmp);
  49 }
  50
  51 int in_tracker_list(struct tracker_list *list, int owner, const char *name,
  52                 struct symbol *sym)
  53 {
  54         struct tracker *tmp;
  55
  56         FOR_EACH_PTR(list, tmp) {
  57                 if (tmp->owner == owner && tmp->sym == sym
  58                     && !strcmp(tmp->name, name))
  59                         return 1;
  60         } END_FOR_EACH_PTR(tmp);
  61         return 0;
  62 }
  63
  64 void free_tracker_list(struct tracker_list **list)
  65 {
  66         __free_ptr_list((struct ptr_list **)list);
  67 }
  68
  69 void free_trackers_and_list(struct tracker_list **list)
  70 {
  71         struct tracker *tmp;
  72
  73         FOR_EACH_PTR(*list, tmp) {
  74                 free_string(tmp->name);
  75                 __free_tracker(tmp);
  76         } END_FOR_EACH_PTR(tmp);
  77         free_tracker_list(list);
  78 }
  79